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1.Data obtained from aerial photography showed six vehicles on a 600 ft long section of road. Traffic data collected at the same time indicated an average time headway of 3.6 sec. Determine the (a) density on the highway (b) flow on the road (c) space mean speed.
2.Design a broad crested weir for a laboratory flume with a width of 1.25 ft. The discharge range is 0.1 to 1.0 cfs. The maximum approach flow depth is 18 inches. Determine the height of the weir P and the weir length l in the flow direction. Assume cv =1.
A 100ft steel tape measure correctly when supported throughout its length under a tension of 1- lb and at a temperature of 72F.It is used on the field at a tension of 18 lb and supported at the two ends only.
A pump in a large industrial hall containing 30 liters gasoline breaks down, causing the gasoline to spill into a 3 m2 sump surrounding the pump. The liquid pool is ignited by sparks. Assume the combustion to be 70% effective and the heat loss due..
A tensile-reinforced beam has b = 12 in. and d = 20 in. to the center of the bars, which are placed all in one row. If fy = 60,000 psi and fc' = 5000 psi,
Mark's refrigerator has just died. He can get a basic fridge or a more efficient fridge with an Energy Star designation. Mark wants to consider a 10 year planning horizon using an interest rate of 5%.
if a clay slope at a construction site fails derive an equation for the undrained shear strength of the clay given that the shear reistance along L of the slope can be given as: (SuH0)/ sin beta
If the resultant force of the two tugboats is 2.2kN , directed along the positive x axis, determine the required magnitude of force Fb. Determine the direction theta of force Fb
Water at 25°C is flowing in a buried irrigation ditch below ground. Every 100 feet there is a vent line 1.o inches in inside diameter and 1.0 foot long to the outside atmosphere at 25°C.
The length of a reading room in a library is 10 m and its breadth is 8 m. Compute the distributed live load, assuming the basic value of the load to be 2873 N/m2.
A particle is traveling along a circular curve having a radius of 13 m. If it has an initial speed of 21m/s and then begins to decrease its speed at the rate of at = (-0.25s)m/s2
The density of an ideal gas decreases by 10% when compressed isothermally from 10 atm to 11 atm. Determine the percent decrease in density of the gas if it compressed isothermailly from 1000 atm to 1001 atm.
This problem involves a cylinder falling inside a pipe that is filled with oil. The small space between the cylinder and the pipe is lubricated with an oil film that has viscosity ?
A 100 gram piece of ice cooled at -20 degrees Celsius is placed in the calorimeter. What is the final temperature of the system, and what mass of ice and water remains
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